Phenomena has been in occasional use as a singular since the early 18th century, as has the plural phenomenas. Our evidence shows that singular phenomena is primarily a speech form used by …

A phenomenon (pl. phenomena), sometimes spelled phaenomenon, is an observable event. [1] The term came into its modern philosophical usage through Immanuel Kant, who contrasted it with the …

phenomenon noun (EXPERIENCE) Add to word list [ C ] plural phenomena us / fɪˈnɑm·ə·nə / anything that is or can be experienced or felt, esp. something that is noticed because it is unusual or new:

1. a fact, occurrence, or circumstance observed or observable: the phenomena of nature. 2. something that is remarkable or extraordinary. 3. a remarkable or exceptional person; prodigy. 4. Philos. a. an …

Phenomena is the plural of phenomenon. But what sets the two phenomena apart is how they form. Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers

Phenomenon most generally refers to an observable occurrence or circumstance. For example, a hurricane is a kind of weather phenomenon.

Sep 21, 2025 · Phenomena (plural: phenomenon): Observable events or occurrences, especially those that are notable or unusual. In science, a phenomenon is an event that can be perceived by the …

phe•nom•e•non /fɪˈnɑməˌnɑn, -nən/ n. [countable], pl. -na /-nə/ or -nons. a fact or circumstance observed or observable: the phenomena of nature. someone or something remarkable.

Definition of phenomenon noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The meaning of PHENOMENON is an observable fact or event : an item of experience or reality. How to use phenomenon in a sentence. Can phenomena be used as a singular?: Usage Guide